Home / 9,557.88-13,186.68-5,782.20

Finding the Fourth Proportional to 9,557.88, 13,186.68 and 5,782.20

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Solution

The fourth proportional to 9,557.88, 13,186.68 and 5,782.20 is: 7,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.88 : 13,186.68 = 5,782.20 : x
  2. Step 2: Convert to fraction form
    9,557.88/13,186.68 = 5,782.20/x
  3. Step 3: Cross multiply
    9,557.88x = 13,186.68 × 5,782.20
  4. Step 4: Simplify right side
    9,557.88x = 76,248,021.10
  5. Step 5: Solve for x
    x = 76,248,021.10/9,557.88
  6. Step 6: Final answer
    x = 7,977.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.